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Ilia_Sergeevich [38]
3 years ago
7

Solve this problem as quickly as you can

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
7 0
What is the expression though?
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What is the coefficient of x in the equation?<br> y=x+4
Olenka [21]

Answer:

1

Step-by-step explanation:

When a variable does not have a visible coeffecient then the coefficient is 1. (Double check to make sure I'm correct)

4 0
3 years ago
**A rock dropped from a 100 foot tower.
mars1129 [50]

Answer:

2.83 s

Step-by-step explanation:

We are given that

h(t)=-16t^2+10t+100

When a rock reached the ground then h(t)=0

-16t^2+10t+100=0

16t^2-10t-100=0

Using quadratic formula

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

t=\frac{10\pm\sqrt{(-10)^2-4\times 16\times (-100)}}{2(16)}

t=\frac{10\pm\sqrt{100+6400}}{32}

t=\frac{10+\sqrt{6500}}{32}=2.83

t=\frac{10-\sqrt{6500}}{32}=-2.2

Time cannot be negative .Therefore, negative value of t can not be possible.

Hence, the rock takes 2.83 sec to reach the ground.

8 0
3 years ago
It took Sharon 4 hours to drive to her grandmother's house. Her grandmother lives 140 miles from Sharon.
Vladimir [108]

Answer:

You're right its B or 35

Step-by-step explanation:

Just divide 140 by 4 u get 35

3 0
2 years ago
Read 2 more answers
3x - 15 = 7 - 8x how do you solve this​
Nikitich [7]

Answer:

<em>X=2</em>

Step-by-step explanation:

3x-15=7-8x

3x+8x=7+15

11x=22

x=\frac{22}{11}

x=2

6 0
3 years ago
Read 2 more answers
Convert 16 cm/hr to m/min
jeyben [28]

<u><em>0.00266666667</em></u> m / min.

7 0
3 years ago
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